feat(type): provided data types in relation to users

Author: alvis

source/types/index.ts

@@ -14,3 +14,5 @@
  */
 
 /* istanbul ignore file */
+
+export * from './user';

source/types/user.ts

@@ -0,0 +1,32 @@
+/*
+ *                            *** MIT LICENSE ***
+ * -------------------------------------------------------------------------
+ * This code may be modified and distributed under the MIT license.
+ * See the LICENSE file for details.
+ * -------------------------------------------------------------------------
+ *
+ * @summary   Collection of user related types
+ *
+ * @author    Alvis HT Tang <alvis@hilbert.space>
+ * @license   MIT
+ * @copyright Copyright (c) 2021 - All Rights Reserved.
+ * -------------------------------------------------------------------------
+ */
+
+interface UserBase<T extends string> {
+  object: 'user';
+  id: string;
+  type: T;
+  name: string;
+  avatar_url?: string;
+}
+
+export interface PersonUser extends UserBase<'person'> {
+  person?: {
+    email: string;
+  };
+}
+
+export type BotUser = UserBase<'bot'>;
+
+export type User = PersonUser | BotUser;